How many filter elements does a car air conditioner have?

The car air conditioner has four filter elements. The following is an introduction to these filter elements: 1. The air filter element is generally installed in the engine compartment, which is used to remove impurities and fine particles in the air filtered into the engine and prevent it from entering the engine, causing excessive wear of the engine. Every maintenance needs to be taken out and cleaned, and the high-quality air filter element can be replaced at regular intervals, which can prolong the service life of the engine. 2, air conditioning filter Many people think that it is useful to turn on the air conditioner. In fact, as long as there is wind blowing from the air outlet, it will be filtered out by the air conditioning filter, including spontaneous combustion ventilation when the external circulation is turned on. This filter is installed behind the glove box in the air duct or on the right side of the accelerator pedal, or there are two high-end cars in the windshield, one outside and one inside. 3. Gasoline Filter This filter is connected in series in the fuel pipeline. Some are built-in and some are external. It is generally recommended to replace the built-in filter element for 20,000 kilometers. According to different vehicles, the blockage of external filter will lead to the decrease of gasoline flow and low pressure. The built-in filter is easy to leak inside, resulting in low oil pressure. 4. The oil filter should be replaced every time the oil is changed. It will filter out the particles in the oil and store them inside the filter to prevent impurities from wearing the bearing bush. Generally speaking, it should be replaced once according to the difference of engine oil (5k- 1w km).